{/* <div di='foo'>bar</div>
React.createElement('div',{di:'foo'},'bar') */}
function Foo({id}){
    return <div id={id}>foo</div>
}
<foo id='foo'>
    <div id='bar'>bar</div>
</foo>
function Foo({id}){
    return React.createElement('div',{div},'foo')
}
React.createElement(
    Foo,{id:'foo'},
    React.createElement(
        'div',{id:'bar'},'bar'
    )
)
